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Long Memory and Change in Persistence in the Rare Earth Market Index

Author

Listed:
  • Ata Assaf
  • Khaled Mokni
  • Luis Alberiko Gil-Alana

    (University of Balamand, Lebanon)

Abstract

This paper investigates long memory and change in persistence of the rare earth market index. We test for the presence of long memory, complemented with tests that account for regime change or breaks. Our findings confirm the presence of long memory in the rare earth market index, with the memory parameters increasing within two-regime schemes. A break in persistence is also estimated to have occurred on September 4, 2019.

Suggested Citation

  • Ata Assaf & Khaled Mokni & Luis Alberiko Gil-Alana, 2024. "Long Memory and Change in Persistence in the Rare Earth Market Index," Energy RESEARCH LETTERS, Asia-Pacific Applied Economics Association, vol. 4(4), pages 1-7.
    • Handle: RePEc:ayb:jrnerl:90
    DOI: 2024/07/09
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    References listed on IDEAS

    as
    1. Reboredo, Juan C. & Ugolini, Andrea, 2020. "Price spillovers between rare earth stocks and financial markets," Resources Policy, Elsevier, vol. 66(C).
    2. Martins, Luis F. & Rodrigues, Paulo M.M., 2014. "Testing for persistence change in fractionally integrated models: An application to world inflation rates," Computational Statistics & Data Analysis, Elsevier, vol. 76(C), pages 502-522.
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    More about this item

    Keywords

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    JEL classification:

    • Q32 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Nonrenewable Resources and Conservation - - - Exhaustible Resources and Economic Development
    • C12 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Hypothesis Testing: General
    • C13 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Estimation: General

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